ANSI Common Lisp  9 Conditions 9.1 Condition System Concepts 9.1.3 Printing Conditions
9.1.3.1 Recommended Style in Condition Reporting
In order to ensure a properly aesthetic result when presenting
report messages to the user, certain stylistic conventions are
recommended.
There are stylistic recommendations for the content of the messages
output by condition reporters, but there are no formal requirements
on those programs.
If a program violates the recommendations for some message, the
display of that message might be less aesthetic than if the guideline
had been observed, but the program is still considered a
conforming program.
The requirements on a program or implementation which
invokes a condition reporter are somewhat stronger. A conforming
program must be permitted to assume that if these style guidelines are
followed, proper aesthetics will be maintained. Where appropriate, any
specific requirements on such routines are explicitly mentioned below.
9.1.3.1.1 Capitalization and Punctuation in Condition Reports
9.1.3.1.2 Leading and Trailing Newlines in Condition Reports
9.1.3.1.3 Embedded Newlines in Condition Reports
9.1.3.1.4 Note about Tabs in Condition Reports
9.1.3.1.5 Mentioning Containing Function in Condition Reports
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